A small team at Ubisoft Shanghai is currently working on a follow-up to last year's real-time strategy Tom Clancy's EndWar, it has been reported.

In an interview with VideoGamer, the studio's creative director Michael De Plater revealed that the sequel will improve on its predecessor's "single-player story and depth", but added that a potential release window is unknown.

He said: "After the first one, now we have a really good understanding of what to do, and we've solved lots of the hardest problems, which are accessibility, camera, controls, rendering that many characters, having that game work in 3D, our online as well, having persistent campaigns, having persistent player armies, so we've kind of done the hard stuff.

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"There's a really clear path forward there."

The original EndWar was released in November last year. Critically acclaimed for its voice control system, it went on to sell 1.5 million units.

When asked when the new game would be released, De Plater added: "I couldn't put a time on it. Basically the thing is stepping back and looking at, in particular those two issues that we can address, and wait and see."